diff options
Diffstat (limited to 'src/lib/hash.c')
-rw-r--r-- | src/lib/hash.c | 69 |
1 files changed, 61 insertions, 8 deletions
diff --git a/src/lib/hash.c b/src/lib/hash.c index f4fd75ea..e7806d94 100644 --- a/src/lib/hash.c +++ b/src/lib/hash.c @@ -28,16 +28,69 @@ #include <ouroboros/hash.h> #include <string.h> +#include <assert.h> +#include <stdbool.h> -void get_hash(uint8_t buf[], - const char * name) +uint16_t hash_len(enum hash_algo algo) { - /* currently we only support 256 bit SHA-3 */ - struct sha3_ctx ctx; - - rhash_sha3_256_init(&ctx); + switch (algo) { + case HASH_CRC32: + return CRC32_HASH_LEN; + case HASH_MD5: + return MD5_HASH_LEN; + case HASH_SHA3_224: + return SHA3_224_HASH_LEN; + case HASH_SHA3_256: + return SHA3_256_HASH_LEN; + case HASH_SHA3_384: + return SHA3_384_HASH_LEN; + case HASH_SHA3_512: + return SHA3_512_HASH_LEN; + default: + assert(false); + break; + } +} - rhash_sha3_update(&ctx, name, strlen(name)); +void str_hash(enum hash_algo algo, + void * buf, + const char * str) +{ + struct sha3_ctx sha3_ctx; + struct md5_ctx md5_ctx; - rhash_sha3_final(&ctx, buf); + switch (algo) { + case HASH_CRC32: + memset(buf, 0, CRC32_HASH_LEN); + crc32((uint32_t *) buf, str, strlen(str)); + break; + case HASH_MD5: + rhash_md5_init(&md5_ctx); + rhash_md5_update(&md5_ctx, str, strlen(str)); + rhash_md5_final(&md5_ctx, (uint8_t *) buf); + break; + case HASH_SHA3_224: + rhash_sha3_224_init(&sha3_ctx); + rhash_sha3_update(&sha3_ctx, str, strlen(str)); + rhash_sha3_final(&sha3_ctx, (uint8_t *) buf); + break; + case HASH_SHA3_256: + rhash_sha3_256_init(&sha3_ctx); + rhash_sha3_update(&sha3_ctx, str, strlen(str)); + rhash_sha3_final(&sha3_ctx, (uint8_t *) buf); + break; + case HASH_SHA3_384: + rhash_sha3_384_init(&sha3_ctx); + rhash_sha3_update(&sha3_ctx, str, strlen(str)); + rhash_sha3_final(&sha3_ctx, (uint8_t *) buf); + break; + case HASH_SHA3_512: + rhash_sha3_512_init(&sha3_ctx); + rhash_sha3_update(&sha3_ctx, str, strlen(str)); + rhash_sha3_final(&sha3_ctx, (uint8_t *) buf); + break; + default: + assert(false); + break; + } } |